# MotoRad 5339-180 UltraStat™ Series Thermostat with Seal for 1993-2011 Buick Lucerne ### Specifications Bypass Diameter: 1.38" Bypass Length: 1.97" Flange Thickness: 0.05" Gasket/Seal Material: Rubber Installation Tool Included: No Jiggle Pin Weep Hole: Yes Number Of Seals: 1 Sealing Flange Outside Diameter: 2.11" Temperature (Degree): 180F ### Features - Heavy gauge stainless steel components offer increased reliability and long-lasting durability - Exclusive BLVT™ Valve Technology prevents thermal shock to cooling system components - Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX™ wax mixture provides quicker reaction time - AccuSpring™ Design for stable temperature control and increased cabin comfort - 100% tested and calibrated - Manufactured with the highest quality materials from an OE supplier ### Product Details UltraStat™ Series Thermostat with Seal (5339-180) by MotoRad®. Temperature: 180F. The new MotoRad UltraStat® thermostats are an innovative line offering many features and benefits over the original equipment. Heavy gauge stainless steel construction provides the most corrosion resistance of any thermostat on the market. Proprietary BLVT™ valve design technology prevents thermal shock, while the robust AccuSpring™ design provides accurate spring load stabilizing temperature, resulting in increased cabin comfort. If you are a car junkie, you certainly keep all the systems and parts of your vehicle in perfect condition. Surely, the cooling system is no exception, and if you want your vehicle to function at its full potential, the high-quality performance cooling parts we offer are just what the doctor ordered. This product has a heavy-duty construction to be reliable and durable enough to hold up to hard use and wear. So, if you're looking for performance cooling parts with increased capacity and heat transfer capability, we will have you covered. Brand: MotoRad Part Number: 5339-180 UPC: 055644593395 Alternate MPN: 5339180 ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2006 Buick Lucerne 2007 Buick Lucerne 2008 Buick Lucerne 2009 Buick Lucerne 2010 Buick Lucerne 2011 Buick Lucerne 1993 Cadillac Allante 1994 Cadillac Deville 1995 Cadillac Deville 1996 Cadillac Deville 1997 Cadillac Deville 1998 Cadillac Deville 1999 Cadillac Deville 2000 Cadillac Deville 2001 Cadillac Deville 2002 Cadillac Deville 2003 Cadillac Deville 2004 Cadillac Deville 2005 Cadillac Deville 2006 Cadillac DTS 2007 Cadillac DTS 2008 Cadillac DTS 2009 Cadillac DTS 2010 Cadillac DTS 2011 Cadillac DTS 1993 Cadillac Eldorado 1994 Cadillac Eldorado 1995 Cadillac Eldorado 1996 Cadillac Eldorado 1997 Cadillac Eldorado 1998 Cadillac Eldorado 1999 Cadillac Eldorado 2000 Cadillac Eldorado 2001 Cadillac Eldorado 2002 Cadillac Eldorado 1993 Cadillac Seville 1994 Cadillac Seville 1995 Cadillac Seville 1996 Cadillac Seville 1997 Cadillac Seville 1998 Cadillac Seville 1999 Cadillac Seville 2000 Cadillac Seville 2001 Cadillac Seville 2002 Cadillac Seville 2003 Cadillac Seville 2004 Cadillac Seville 2004 Cadillac SRX 2005 Cadillac SRX 2006 Cadillac SRX 2007 Cadillac SRX 2008 Cadillac SRX 2009 Cadillac SRX 2005 Cadillac STS 2006 Cadillac STS 2007 Cadillac STS 2008 Cadillac STS 2009 Cadillac STS 2010 Cadillac STS 2004 Cadillac XLR 2005 Cadillac XLR 2006 Cadillac XLR 2007 Cadillac XLR 2008 Cadillac XLR 2009 Cadillac XLR 1995 Oldsmobile Aurora 1996 Oldsmobile Aurora 1997 Oldsmobile Aurora 1998 Oldsmobile Aurora 1999 Oldsmobile Aurora 2001 Oldsmobile Aurora 2002 Oldsmobile Aurora 2003 Oldsmobile Aurora 2004 Pontiac Bonneville 2005 Pontiac Bonneville ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase. **What part number is this?** The listed part number is 5339-180. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - UltraStat™ Series Thermostat with Seal for Buick Lucerne - 5339-180 fitment - MotoRad UltraStat™ Series Thermostat with Seal - 2006 Buick Lucerne UltraStat™ Series Thermostat with Seal ## Details - **Price:** 35.49 CAD - **Vendor:** MotoRad - **Type:** UltraStat™ Series Thermostat with Seal - **Tags:** 1993 Cadillac Allante, 1993-2002 Cadillac Eldorado, 1993-2004 Cadillac Seville, 1994-2005 Cadillac Deville, 1995-1999, 2001-2003 Oldsmobile Aurora, 2004-2005 Pontiac Bonneville, 2004-2009 Cadillac SRX, 2004-2009 Cadillac XLR, 2005-2010 Cadillac STS, 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 5339-180, Automotive, MotoRad, UltraStat™ Series Thermostat with Seal ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 35.49 CAD | In stock | ## Images - MotoRad 5339-180 UltraStat™ Series Thermostat with Seal for 1993-2011 Buick Lucerne --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-5339-180-ultrastattm-series-thermostat-with-seal) > Updated: 2026-08-17